System is showin error and asking to remove some data but you have sufficient space on your hard disk that means it is hap[pening due to duplicate file and program so you should remove it

1. Tips to cleaning and speeding up Mac

2. Mac user’s sometime use to see pop-up window on their Mac
such as Low disk space or my hard drive was full, but user
even have lots of space on their hard drive. When the period
facts and figures storage arrives, it arrives with facts and
figures administration too. At this time out of sight is usually
out of brain. You don’t understand what is taking space on
your hard propel unless you have a large tool to work out this.
This usually blocks your hard propel space and makes Mac
slow. So it is necessary for you to clean Mac
To Clean up Mac follow the instructions and steps

3. Step 1: Back it up
Before you engage in any maintenance, it's
always a good idea to back up your data. For
Macs, it's easy: grab an external drive and run
Time Machine.

5. Step 2: Check the login items
If your Mac is slow to boot up, the problem
may be it easily has too numerous
submissions to open that it can't burden the
OS in a timely fashion. numerous applications
by default open mechanically at startup. Go to
system Preferences > Users & assemblies
and then bang on the Login pieces tab to see
a list of the apps that open when you boot
your Mac. Uncheck the apps you don't need
at startup.

7. Step 3: Identify and eradicate offending apps
To get a image of what's taking up the most
space on your hard propel, install the free
computer disk Inventory X utility. Run it and it
scans your drive for a couple of minutes before
spitting out a graphical representation of the
submissions on your hard drive. The larger the
block, the more space it's taking up. You can't
delete any documents with computer disk
Inventory X, but the app is a good first step in
recognizing which apps are eating up the most
space.

9. Step 4: Clean up your hard drive
To clean up Mac you can use software because it is the best way
to clean up Mac. It is an application that keeps the computer
drives clean and tidy of Mac System. It deletes all the duplicate
files and packages based on size, contents, name, date
created, empty folders and many more. It cleans the hard disk
space and makes the hard disk error free.
Manually finding and deleting of those documents one by one is
so critical and time consuming that In this position, you can
accidentally delete any significant documents and facts and
figures. So, manually deleting is furthermore not safe. You can
use clean up software which deletes the replicate and pointless
documents from your hard computer disk. It mechanically scans
your hard drives for replicate documents and removes them
completely and makes your hard computer disk run much
quicker.

10. For more information Kindly Visit
http://www.softwaredownloadcentre.com/software/tidyup-mac.php